Start and finish at Bourtzi peninsula (old port). Route: 75% trail, 15% gravel, 10% asphalt. Passes through Plakes cobblestone streets, Skiathos cemetery, Sifiri beach, Megali Ammos, chapel of Agios Antonios, Monastery of Panagia Kehria, Castle, Kardasi church, Panayia Doman, Stivoto (highest point), and Monastery of Evangelistria. 6 check points/supply stations. Time limit: 6 hours. Minimum age: 18 years. High school students (grades 1–3) may participate in the 10km with parental consent. Race number pickup: May 24 at Bourtzi, 08:00–08:30. Pasta party: May 23 at Bakaliko restaurant, Ammoudia (optional). Guided walking tour of Skiathos town: May 23 at 18:00, meeting point Bourtzi (optional).